查询词典 perianths

A group of families or trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder.

一组乔木灌木和草本植物目，有良好的花被和心皮连生的子房，通常被视为现存最原始的开花植物；有36科，包含木兰科和毛茛科。

Twoanthocyanins ( cyanidin 32O 2glucoside and cyanidin 32O2rutinoside) and three flavonols ( quercetin 32O 2rutino2side, kaempferol 32O 2rutinoside and quercetin aglycone) were detected in the red inner perianths.

在蜡梅红色内瓣中检测到2种花青苷和3种黄酮醇，在黄色外瓣中检测到与红色内瓣相同的3种黄酮醇。

Any of various stiff marsh plants of the genus Juncus, having pliant hollow or pithy stems and small flowers with scalelike perianths.

灯心草：一种灯心草属的不易弯曲的沼泽植物，具有柔韧的空心或有髓的茎，花小，有鳞状花被

Was observed by means of light microscope and scanning electronic microscope, the structures were compared between perianth and leaf in details, and some quantitative features in leaves and perianths were measured to explore structure base of aroma production, emission pattern and sites in Michelia alba DC..

花开放过程中花被片结构的变化进行了观察，并与成熟叶片的结构特征进行了比较，对白兰成熟花被片与成熟叶片的一些数量特征进行了测量，探讨了白兰花香气形成、挥发部位及挥发途径的结构基础。

Sometimes armed with stinging hairs; epidermal cells of leaves, sometimes stems, perianths mostly with prominent cystoliths punctiform to linear; Leaves alternate or opposite, stipules present, rarely absent; leaf blade simple. Inflorescences cymose, paniculate, racemose, spicate, or cluster-capitate, usually formed from glomerules, sometimes crowded on common enlarged cuplike or discoid receptacle, rarely reduced into a single flower. Flowers unisexual, rarely bisexual in partial flowers; actinomorphic, very small,(1-)4- or 5-merous, rarely perianth absent in female flowers.

有时具有蛰毛的刺；叶的表皮细胞，有时茎和花被的表皮细胞大部分有显著的点状或线形的乳状体；叶互生或者对生，托叶有，很少无；单叶花序聚伞状，圆锥状，总状，穗状，或者丛生头状花序，花单性，部分花两性；辐射对称，小，(1-)4-或者5瓣，很少在雌花内无花被。

The grain-like cell inclusions which varied in morphology, location and number during the different periods of unfolding of perianths of Michelia alba DC. can be inferred to be a predecessor of aroma.

结果表明：(1)根据在花被片开展的不同时期的颗粒状细胞内含物的数量、形态及存在部位，推测白兰花被片颗粒状细胞内含物可能上要是香气释放前体物质。

The chroma (C3 ) of both perianths decreased, while the hue angle of the yellow outer peri2anths increased from yellow to pale yellow, and the red inner perianths decreased from red to dark red.

黄色外瓣和红色内瓣彩度C3值均变小，黄色外瓣色相角h增大，由黄色向浅黄方向变化，而红色内瓣色相角h变小，由红色向深红方向变化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。